1. Join empty server
2. Attack enemy harvester, buildings etc while waiting for harvester dump.
3. More people join.
4. !donate your fat wad of credits to your teammates
5. Flame/med/mrls/arty rush
6. Game over, your team wins.
Great fun, if you are on the team with the cash advantage
Guess that's the reward for being the first to join and get a game going. Doesn't seem like such a bad system to me.